Tenants access multiple wireless networks in a building. Users report intermittent connectivity. Which of the following is the MOST likely cause of the problem?

A.
The channels are overlapping with other wireless networks and should be changed.

B.
The SSIDs are incompatible and should be renamed.

C.
The users have incompatible wireless network cards and should upgrade.

D.
The default idle period for logoff is too short and should be changed to a longer limit.